Material ‐ ASTM B275 S12B

Standard Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought

Group - Non ‐ Ferrous Alumium Alloy

Sub Group - ASTM B275 Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought

Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries

Grade Belongs to the Industry - Casting

Chemical Composition
CopperCu %1.000 max.
IronFe %2.000 max.
MagnesiumMg %0.100 max.
ManganeseMn %0.350 max.
NickelNi %0.500 max.
SiliconSi %11.000 ‐ 13.000
TinSn %0.150 max.
ZincZn %0.500 max.
OtherOt%0.250 max.
AluminiumAl %Balance
Heat Treatment
As ‐ Cast
Mechanical Properties
Tensile Strength in Mpa295 min.
Yield Strength in Mpa145 min.
Elongation in %2.5 min.
Reduction of Area in %
Hardness in HB
Impact in Joule

Cross Reference Table

Material Standard Country Grade Belong to the Industry
13 AA USA Casting
A04130 UNS USA Casting
A04130 SAE USA Casting
B85 S12B ASTM USA Casting
413.0 NBR Brazil Casting
413.0 NMX Maxico Casting
413.0 SAE USA Casting